The grand canyon becomes deeper every day. what causes the canyon to become deeper?

Which organic molecule is found in the chromatin of cells?

Word equation for k+ h2o yield koh + h2

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided